books = ['三国演义', '红楼梦', '西游记', '水浒传', '镜花缘', '封神演义', '聊斋志异']
print(books[1])
print(books[-1])
subBooks = books[1:4]
print(subBooks)
subBooks2 = books[1:-1]
print(subBooks2)
books.append("儒林外史")
print(books)
books.insert(4, "嘻游记")
print(books)
books[4] = "啦啦啦";
print(books)
print(books.pop(4))
print(books)